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The first-order isomerization reaction; cyclopropane---propane, has a rate constant k= 1.10 x10^-14 at 470 degrees C and an activation energy of 264 kJ/mol. What is the temperture of the reaction when the rate is constant is equal to 4.36 x 10^-3s^-1?
The compression ratio of today's cars is so much higher than in cars of years past. What is the major advantage of increasing the compression ratio?
What is the wavelength of a light ray if its frequency is 4.64 x 1014 s-1? answer in units of nanometers (nm).
How much PV work is done if 88.0 grams of C 2H 4 ethylene and 120 grams of hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change = -70.3 Litres?
A 493 mL sample of solution contains 33.2 g of CaCl2 Calculate the molar concentration of Cl in this solution
Draw the Lewis structure of nitramide with a single bond between the two nitrogen atoms and include formal charges. Are there any resonance structures? If so, please draw these too. Describe the hybridization of the nitrogen atoms.
The natural abundance of 13C is only 1.1%. Furthermore, its sensitivity in NMR spectroscopy (a measure of the energy difference between a spin aligned with or against an external magnetic field)
how many grams of sulfur are needed to react completely with 246 g of mercury to form HgS
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid
How much heat is required to warm 229 g of ice from -44.9C to 0.0C, melt the ice, warm the water from 0.0C to 100.0C, boil the water, and heat the steam to 173.0C.
Explain how a calibration curve could be used to determine an unknown quantity
If you look at a reaction for an esterification reaction, you cannot tell where the oxygen comes from (acid or alcohol). Draw the mechanism of this reaction, and devise an experiment using the mechanism and O18 (O18 isotope) to help prove unequivo..
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